If I'm 4years and my brother is half of my age now I'm 44 how old is he ?

What is a possible solutions of the x> 3?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.